Fitbit Flex 2 vs. Garmin Vivofit 3 vs. Amazfit Bip vs. Amazfit GTS vs. HTC re Grip

 
Flex 2
Vivofit 3
Bip
GTS
re Grip
 FitbitFlex 2Remove Buy NowGarminVivofit 3Remove Buy NowAmazfitBipRemove Buy NowAmazfitGTSRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$100$99.99$150$199
Release20162016201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 year30 days14 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a64 x 64176 x 176348 x 442160 x 32
Sizen/a0.55 inches1.28 inches1.65 inches1.8 inches
Touchn/a
TypeLEDn/aNAAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP685 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSNA
Apps
Music

All Wearables